| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES, AT LEAST ONCE | 1137 |
8.2%
|
| 2 | NO, ALWAYS SUFFICIENT | 12589 |
91.2%
|
| 8 | DK | 67 |
0.5%
|
| 9 | NO RESPONSE | 5 |
0%
|
| Sysmiss | 702 |